CN102572754B

CN102572754B - System, method and relational device for achieving click-to-dial service

Info

Publication number: CN102572754B
Application number: CN201010597581.3A
Authority: CN
Inventors: 管晓培; 王亚晨; 张明峻
Original assignee: China Mobile Communications Group Co Ltd
Current assignee: China Mobile Communications Group Co Ltd
Priority date: 2010-12-20
Filing date: 2010-12-20
Publication date: 2015-03-11
Anticipated expiration: 2030-12-20
Also published as: CN102572754A

Abstract

The invention discloses a system, a method and a relational device for achieving a click-to-dial (CTD) service, which is used for solving the problem of the routing roundabout existing in the operation procedure of the CTD service and reducing network elements in the signaling transmission. The system for achieving the CTD service comprises a primary CTD service server and a secondary CTD service server, wherein the primary CTD service server is used for receiving a CTD service request consisting of a calling subscriber number and a called subscriber number and generated by a CTD service user, determining an attaching region corresponding to the calling subscriber number according to the corresponding relationship between a pre-storing user number and the attaching region, and transmitting the CTD service request to a secondary CTD service server in the attaching region corresponding to the calling subscriber number; and the secondary CTD service server is used for establishing a CTD service communication connection between a calling subscriber and a called subscriber according to the calling subscriber number and a called subscriber number in the CTD service request.

Description

A kind of system that realizes of Click To Dial, method and relevant device

Technical field

The present invention relates to moving communicating field, particularly relate to the system that realizes of a kind of click to dial (CTD) business, method and relevant device.

Background technology

CTD (Click To Dial, click to dial) business combines the advantage of IP data service and circuit voice service.CTD business is the calling initiated by CTD service server and set up.After the CTD service request that CTD business uses Client-initiated to carry rear subscriber number and called number arrives CTD service server, the CTD service communication set up between calling subscriber and called subscriber by CTD service server connects.CTD business experience is the first ring of calling subscriber one lateral terminal of CTD business, and prompt tone listened by calling subscriber's off-hook, then the called subscriber one lateral terminal ring of CTD business, and called subscriber's off-hook, converses with calling subscriber.

CTD business uses user to initiate CTD service request (i.e. CTD calling) by CTD application module, and shows CTD call state.CTD application module can be Web page, also can be to be integrated in the functional module in PC (Personal Computer, personal computer) client.

In prior art, CTD business is mainly divided into two stages: service request stage and business execution phase, and wherein, the service request stage completes in Internet side, and the business execution phase completes in the mobile communication network.At present, CTD service server deployment scheme mainly contains following two schemes:

The first scheme

CTD service server is concentrated and is disposed: namely only dispose a set of CTD service server in whole mobile communications network, user is when initiating CTD service request, this CTD service request is routed directly to this CTD service server, CTD service server is according to rear subscriber number and called number, respectively CTD service request is routed to the core network element of the mobile communications network of calling subscriber and called subscriber's attributed region, the CTD service communication completed between calling subscriber and called subscriber connects.

First scheme

CTD service server subregion is disposed: namely in whole mobile communications network, dispose multiple CTD service server, be connected to each other between each CTD server, and equal.CTD business uses user when initiating CTD service request, this CTD service request is routed to local CTD service server, local CTD service server is according to rear subscriber number and called number, respectively CTD service request is routed to the core network element of the mobile communications network of calling subscriber and called subscriber's attributed region, the CTD service communication completed between calling subscriber and called subscriber connects.

It can thus be appreciated that, in the first scheme, owing to only disposing a set of CTD service server in whole mobile communications network, suppose that CTD service server is deployed in Beijing, calling subscriber and called subscriber's attributed region are Shanghai, CTD business uses user to initiate CTD service request from Shanghai, then first this CTD service request is routed to Pekinese CTD service server, CTD service server in Pekinese carries out certification, after authentication, perform CTD business, because calling subscriber and called subscriber are all in Shanghai, mobile communications network respectively by Shanghai is called out calling subscriber and called subscriber by such CTD service server, connect with the CTD service communication set up therebetween, route is there is roundabout in the process that CTD business performs, add the network element of signalling process, in first scheme, if CTD business uses user to initiate CTD service request in Beijing, when the attributed region of calling subscriber and called subscriber is Shanghai, there is the problem that above-mentioned route is roundabout equally, add the network element of signalling process.

Therefore, how to solve the route detour problem existed in CTD process of service execution, reduce the network element of signalling process, become one of technical problem urgently to be resolved hurrily in prior art.

Summary of the invention

Embodiments provide a kind of system that realizes of CTD business, method and relevant device, in order to solve the route detour problem existed in CTD process of service execution, reduce the network element of signalling process.

What the embodiment of the invention discloses a kind of CTD business realizes system, comprises one-level CTD service server and is separately positioned on each secondary CTD service server in each region, wherein:

Described one-level CTD service server, Client-initiated is used to carry the CTD service request of rear subscriber number and called number for receiving CTD business, according to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number;

Described secondary CTD service server, for receiving the CTD service request that described one-level CTD service server forwards, according to the rear subscriber number carried in CTD service request and called number, the CTD service communication set up between calling subscriber and called subscriber connects.

The embodiment of the invention discloses a kind of implementation method of CTD business, comprising:

One-level CTD service server receives CTD business and uses Client-initiated CTD service request, carries rear subscriber number and called number in described CTD service request; And

According to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number;

Described secondary CTD service server is according to the rear subscriber number carried in CTD service request and called number, and the CTD service communication set up between calling subscriber and called subscriber connects.

The embodiment of the invention discloses a kind of one-level CTD service server, comprising:

Memory module, for prestoring the corresponding relation of Subscriber Number and attributed region;

Receiver module, uses Client-initiated to carry the CTD service request of rear subscriber number and called number for receiving CTD business;

Determination module, for the corresponding relation according to the Subscriber Number stored in described memory module and attributed region, determines the attributed region that described rear subscriber number is corresponding;

Routing module, for being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number by described CTD service request.

The embodiment of the invention discloses a kind of secondary CTD service server, comprising:

Receiver module, for receive one-level CTD service server forward carry rear subscriber number and called number CTD service request;

Executive Module, for according to the rear subscriber number carried in CTD service request and called number, sets up the CTD service communication connection between calling subscriber and called subscriber.

The system that realizes of the CTD business that the embodiment of the present invention provides, method and relevant device, based on two level frameworks of CTD service server, namely arrange one-level CTD service server and arrange secondary CTD service server in each zone, CTD service request is received by one-level CTD service server, and according to the corresponding relation of the Subscriber Number prestored and attributed region, the CTD service request received is routed to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, the CTD service communication that secondary CTD service server in the attributed region corresponding by rear subscriber number is set up between calling subscriber and called subscriber connects, thus efficiently solve the route detour problem existed in CTD process of service execution, decrease the network element of signalling process in CTD process of service execution, save the CTD service communication establishment of connection time.

Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.

Accompanying drawing explanation

Fig. 1 is in the embodiment of the present invention, CTD business realize SNA schematic diagram;

Fig. 2 is in the embodiment of the present invention, a kind of possible structural representation of the system that realizes of CTD business;

Fig. 3 is in the embodiment of the present invention, and user orders the implementing procedure schematic diagram of secondary CTD business;

Fig. 4 is in the embodiment of the present invention, and user cancels the implementing procedure schematic diagram of the secondary CTD business ordered;

Fig. 5 is in the embodiment of the present invention, and user orders the implementing procedure schematic diagram of one-level CTD business;

Fig. 6 is in the embodiment of the present invention, and user cancels the implementing procedure schematic diagram of the one-level CTD business ordered;

Fig. 7 is in the embodiment of the present invention, and CTD business uses user to configure the implementing procedure schematic diagram of display strategy information;

Fig. 8 is in the embodiment of the present invention, and CTD business uses user to configure the implementing procedure schematic diagram of rear subscriber number white list information;

Fig. 9 is in the embodiment of the present invention, and CTD business uses user to configure the implementing procedure schematic diagram of personalized ring back tone;

Figure 10 is in the embodiment of the present invention, the interface diagram between one-level CTD service server and secondary CTD service server;

Figure 11 is in the embodiment of the present invention, and the CTD business that CTD business uses user to order is CTD service implementation method implementing procedure schematic diagram during one-level CTD business;

Figure 12 is in the embodiment of the present invention, and the CTD business that CTD business uses user to order is CTD service implementation method implementing procedure schematic diagram during secondary CTD business;

Figure 13 is in the embodiment of the present invention, the implementation method implementing procedure schematic diagram of CTD business;

Figure 14 is in the embodiment of the present invention, a kind of possible structural representation of one-level CTD service server;

Figure 15 is in the embodiment of the present invention, a kind of possible structural representation of secondary CTD service server.

Embodiment

The embodiment of the present invention provides a kind of system that realizes of CTD business, method and relevant device, in order to solve the route detour problem existed in CTD process of service execution, reduces the network element of signalling process.

Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, be not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.

As shown in Figure 1, the CTD business provided for the embodiment of the present invention realize SNA schematic diagram, comprise one-level CTD service server, secondary CTD service server, CSCF (Call SessionControl Function, CSCF), MGCF (Media Gateway Control Function, media network element control function), HSS (Home Subscriber Server, home signature user server), MRFC/MRFP (Multimedia Resource Function Controller/Multimedia ResourceFunction Processor, media resource function control/media resource control treatment), BOSS (Business & Operation Support System, telecommunication service operation support system), NMS (Network ManagementSystem, network management system), MSC (Mobile Switch Center, mobile switching centre), short color gateway etc., wherein, CSCF is IMS (IP Multimedia Core Network Subsystem, IP multimedia network Network Subsystem) core network element of core network, comprise P-CSCF (Proxy-CSCF, proxy CSCF), I-CSCF (Interrogating-CSCF, inquiry CSCF), S-CSCF (Serving-CSCF, serving CSCF) etc. equipment, perform user's registration, the basic functions such as session access/route, MGCF selects CSCF according to called number situation, and the call control protocol completed between PSTN (Public Switched TelephoneNetwork, PSTN) and IMS is changed.Mainly IP (Internet Protocol, Internet protocol) message conversion is become ISUP (Integrated Services DigitalNetwork User Part, ISUP) or Megaco message.HSS is concentrated User database system, deposits the authentication information of user, the business information of user, the roaming information etc. of user.HSS is also used for the original charging data of recording user, and is supplied to sorting system and goes out bill; Media stream resources in MRFC control MRFP, translates the information from application server and S-CSCF; MRFP controls the carrying of Mb point, process media stream (conversion, Media Stream analysis etc. as speech coding), when Multi-Party Conference, and the Media Stream of Mixed design; BOSS provides subscription and unsubscription to manage for user, provides charging, settlement management; NMS provides NE management ability for CTD service server, mainly provides the function such as configured topology information, alarm, performance data, daily record, preservation & testing, statistics of each network element; Short color gateway comprises dream net gateway, short message inter-communication gateway, MMS gateway, and complete note, complete the transmission of up, the descending and status report of note, multimedia message in net, complete issuing of rete mirabile note, rete mirabile multimedia message is not supported.Dream net gateway docking agreement is CMPP2.0, and Interworking gateway docking agreement is SMPP3.3/3.4, and MMS gateway docking agreement is MM7.

In concrete enforcement, the interface of secondary CTD service server and IMS core net is Ma/ISC, adopts SIP (Session Initiation Protocol, Session initiation Protocol) agreement, realizes session control.For CTD service logic, according to the IMS triggering rule that CTD business uses user to order, be triggered to application server when condition meets and carry out CTD business logic processing, and the CTD service conversation completing IMS domain controls.The Media Stream interface of MRFC/MRFP and UE (user terminal) is Mb, adopts RTP/RTCP agreement, realizes distribution and the flow control of Media Stream; The interface of secondary CTD service server and UE adopts http protocol, completes the configuration of CTD business function; The interface of MGCF and CSCF is Mg, adopts Session Initiation Protocol, realizes session control; The interface of MRFC/MRFP and CSCF is Mr, adopts Session Initiation Protocol, realizes media playback and controls; The interface Gm of UE and CSCF, adopts Session Initiation Protocol, and completing user is to the function such as registration of IMS.

As shown in Figure 2, be a kind of possible structural representation of the system that realizes of the CTD business that the embodiment of the present invention provides, comprise one-level CTD service server 201 and be separately positioned on each secondary CTD service server 202 in each region, wherein:

One-level CTD service server 201, Client-initiated is used to carry the CTD service request of rear subscriber number and called number for receiving CTD business, according to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server 202 be arranged in attributed region corresponding to rear subscriber number;

Secondary CTD service server 202, for receiving the CTD service request that one-level CTD service server 201 forwards, according to the rear subscriber number carried in CTD service request and called number, the CTD service communication set up between calling subscriber and called subscriber connects.

Concrete, secondary CTD service server 202 is after the CTD service request receiving one-level CTD service server 201 forwarding, first the rear subscriber number carried in CTD service request is called out, after access success rear subscriber number (calling subscriber's off-hook), by the called number carried in calling CTD service request, in the process, the prompt tone that the system that realizes that secondary CTD service server 202 can play CTD business to calling subscriber provides, or play CTD business to calling subscriber and use user configured personalized ring back tone.After access success called subscriber, secondary CTD service server just establishes the communication connection between calling subscriber and called subscriber.

In concrete enforcement, can also arrange user before use CTD business, to the scene that corresponding CTD business is ordered, user could use after only have subscribed corresponding CTD business.

As shown in Figure 3, in the embodiment of the present invention, user orders the implementing procedure schematic diagram of secondary CTD business, comprises the steps:

The secondary CTD service order request that S301, BOSS system receives user is submitted to;

The secondary CTD service order request determination secondary CTD service order relation that S302, BOSS system is submitted to according to user also stores;

S303, BOSS system will receive the request of secondary CTD service order and send to secondary CTD service server;

S304, secondary CTD service server carry out secondary CTD service log-on for this user;

Concrete, when secondary CTD service server determines that the log-on message of this user does not exist, first generate the log-on message of this user in secondary CTD service server inside, user name and user's password default can be comprised.

S305, secondary CTD service server store the secondary CTD service order relation of this user.

As shown in Figure 4, in the embodiment of the present invention, user, after order secondary CTD business, if need to cancel the secondary CTD business ordered, comprises the steps:

The secondary CTD business that S401, BOSS system receives user is submitted to cancels request;

The secondary CTD service order relation of this user that S402, BOSS system-kill stores;

S403, BOSS system will receive secondary CTD business cancellation request and send to secondary CTD service server;

S404, secondary CTD service server delete the secondary CTD service order relation of this user stored.

As shown in Figure 5, in the embodiment of the present invention, user orders the implementing procedure schematic diagram of one-level CTD business, comprises the steps:

The one-level CTD service order request that S501, BOSS system receives user is submitted to;

The one-level CTD service order request determination one-level CTD service order relation that S502, BOSS system is submitted to according to user also stores;

S503, BOSS system will receive the request of one-level CTD service order and send to one-level CTD service server;

S504, one-level CTD service server carry out one-level CTD service log-on for this user;

Concrete, when one-level CTD service server determines that the log-on message of this user does not exist, first generate the log-on message of this user in one-level CTD service server inside, user name and user's password default can be comprised.

S505, one-level CTD service server store the one-level CTD service order relation of this user.

As shown in Figure 6, in the embodiment of the present invention, the implementing procedure schematic diagram of the one-level CTD business of user's order cancellation, comprises the steps:

The one-level CTD business that S601, BOSS system receives user is submitted to cancels request;

The one-level CTD service order relation of this user that S602, BOSS system-kill stores;

S603, BOSS system will receive one-level CTD business cancellation request and send to one-level CTD service server;

S604, one-level CTD service server delete the one-level CTD service order relation of this user stored.

In concrete enforcement, the CTD business packet includes network customer service related to and enterprise's Fetion, for network customer service business, after user's success subscribe customer service, informing network customer service user orders successfully by one-level/secondary CTD service server.

Based on this, one-level CTD business platform, when receiving CTD business and using Client-initiated CTD service request, needs to use user to carry out authentication to this CTD.After authentication is passed through, continue CTD service request flow process, if authentication is not passed through, CTD service request flow process will be stopped.Here the CTD service request related to comprises one-level CTD service request.

Concrete, CTD business uses user can also carry the authentication information that CTD business uses user in the CTD service request initiated;

One-level CTD service server 201, also for before this CTD service request being transmitted to the secondary CTD service server 202 be arranged in attributed region corresponding to rear subscriber number, the authentication information using user according to the CTD business of carrying in this CTD service request and the authentication information ordering the validated user of CTD business prestored, use user to carry out legitimacy authentication to this CTD business, and confirm that authentication is passed through.

In concrete enforcement, CTD business realize system, can also administration interface be provided, facilitate network manager to carry out one-level/secondary developer information configuration, one-level/secondary traffic information configuration and one-level/secondary user's information configuration.Concrete, two grade network keeper is by developer the develop person information configuration of administration interface to secondary CTD service server, developer's information of secondary CTD service server store secondary network manager configuration, and two grade network keeper is contracted by administration interface the SLA (service agreement grade) of the developer configuring developer's information, secondary CTD service server stores the SLA having configured the developer of developer's information.Primary network station keeper is similar by the flow process of administration interface to the developer person of the developing information configuration of secondary CTD service server to above-mentioned two grade network keeper to the flow process of the developer person of the developing information configuration of one-level service server by administration interface, here repeat no more, difference is, one-level CTD business platform needs by the SLA synchronizing information of developer's information and signing developer to secondary CTD business platform, and secondary traffic platform stores developer's information.

In concrete enforcement, the flow process of one-level/secondary traffic information configuration is similar to above-mentioned one-level/secondary developer information configuration with the flow process of one-level/secondary user's information configuration, it specifically implements see the implementation process of one-level/secondary developer information configuration, to repeat no longer one by one here.

In concrete enforcement, CTD business uses user can oneself configuration information pre-configured, concrete, configuration information can be, but not limited to the display strategy information that CTD business uses user, and calling subscriber/called number white list information, calling subscriber/called number black list information, CTD business use the personalized ring back tone information of user.

As shown in Figure 7, in the embodiment of the present invention, CTD business uses user to configure the implementing procedure schematic diagram of display strategy information, comprises the steps:

S701, CTD business uses user to configure display strategy information;

Concrete, the client service platform that CTD business uses user can be provided by the system that realizes of CTD logs in the display strategy information of one-level CTD service server configuration oneself;

S702, one-level CTD service server store CTD business and use user configured display strategy information;

S703, one-level CTD service server by the display strategy synchronizing information of user to secondary CTD service server;

S704, secondary CTD service server store CTD business and use user configured display strategy information.

As shown in Figure 8, in the embodiment of the present invention, CTD business uses user to configure rear subscriber number white list implementing procedure schematic diagram, comprises the steps:

S801, CTD business uses user to configure rear subscriber number white list information;

Concrete, the client service platform that CTD business uses user can be provided by the system that realizes of CTD logs in one-level CTD service server configuration rear subscriber number white list information;

S802, one-level CTD service server store CTD business and use user configured calling number white list information;

CTD business uses user configured calling number white list information to be synchronized to secondary CTD service server by S803, one-level CTD service server;

S804, secondary CTD service server store CTD business and use user configured calling number white list information.

CTD business use user configure rear subscriber number black list information, called number white list information, called number black list information flow process and CTD business to use user to configure the flow process of calling number white list information similar, therefore, CTD business use user configure rear subscriber number black list information, called number white list information, called number black list information implementing procedure user can be used to configure the enforcement of rear subscriber number white list information see CTD business, repeat part and repeat no more.

As shown in Figure 9, in the embodiment of the present invention, CTD business uses user to configure the implementing procedure schematic diagram of personalized ring back tone, comprises the steps:

S901, CTD business uses user to upload personalized ring back tone file;

Concrete, the client service platform that CTD business uses user can be provided by the system that realizes of CTD by personalized ring back tone files passe to one-level CTD service server; In concrete enforcement, CTD business uses user can upload personalized ring back tone file in the mode of FTP.

S902, one-level CTD service server store the personalized ring back tone file that CTD business uses user to upload;

S903, CTD business uses user to configure personalized ring back tone information;

Concrete, the personalized ring back tone file that oneself uploads by the client service platform that CTD business uses user can be provided by the system that realizes of CTD is set to personalized ring back tone.

S904, one-level CTD service server store CTD business and use user configured personalized ring back tone information;

CTD business uses user configured personalized ring back tone synchronizing information to secondary CTD service server by S905, one-level CTD service server;

S906, secondary CTD service server store CTD business and use user configured personalized ring back tone information;

S907, secondary CTD service server use user configured personalized ring back tone file to one-level CTD service server request CTD business;

Concrete, secondary CTD service server the mode of FTP can use user configured personalized ring back tone file to one-level CTD service server request CTD business

S908, one-level CTD service server return CTD business to secondary CTD service server and use user configured personalized ring back tone file;

S909, secondary CTD service server store CTD business and use user configured personalized ring back tone file.

In concrete enforcement, if CTD business uses user to be configured with the configuration information of oneself, the system that realizes of CTD business will use user configured configuration information to perform CTD service request flow process according to CTD business.Use that user is configured with rear subscriber number white list information, rear subscriber number black list information and called number white list information, the situation of called number black list information is described below for CTD business.

In concrete enforcement, one-level CTD service server 201, also use rear subscriber number white list information and the called number white list information of user's setting for prestoring CTD business, and be synchronized to setting each secondary CTD service server 202 in each zone;

Secondary CTD service server 202, also for setting up before the CTD service communication between calling subscriber and called subscriber connects, in confirming in the rear subscriber number white list information that the rear subscriber number that carries in described CTD service request uses user to arrange in CTD business and confirming the called number white list information that the called number that carries in described CTD service request uses user to arrange in CTD business.

Concrete, if secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request uses in CTD business in the rear subscriber number white list information of user's setting, show that CTD business uses user to allow this rear subscriber number to connect as calling subscriber and called subscriber, whether the called number judging further to carry in CTD service request uses in the called number white list information of user's setting in CTD business by secondary CTD service server 202, if when judged result is for being, then secondary CTD service server then calls out calling subscriber and called subscriber respectively, to set up the communication connection between calling subscriber and called subscriber, if judged result is no, then secondary CTD service server will refuse this CTD service request.If secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request does not use in CTD business in the rear subscriber number white list information of user's setting, then secondary CTD service server directly will refuse this CTD service request.

Or one-level CTD service server 201, also for prestoring the rear subscriber number white list information that CTD business uses user to arrange, and is synchronized to setting each secondary CTD service server 202 in each zone;

Secondary CTD service server 202, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, confirm that the rear subscriber number carried in described CTD service request uses in the rear subscriber number white list information of user's setting in CTD business.

Concrete, if secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request uses in CTD business in the rear subscriber number white list information of user's setting, show that CTD business uses user to allow this rear subscriber number to connect as calling subscriber and called subscriber, secondary CTD service server then calls out calling subscriber and called subscriber respectively, to set up the communication connection between calling subscriber and called subscriber; If secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request does not use in CTD business in the rear subscriber number white list information of user's setting, this CTD service request directly will be refused.

Or one-level CTD service server 201, also for prestoring the called number white list information that CTD business uses user to arrange, and is synchronized to setting each secondary CTD service server 202 in each zone;

Secondary CTD service server 202, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, confirm that the called number carried in described CTD service request uses in the called number white list information of user's setting in CTD business.

Concrete, if secondary CTD service server 202 determines that the called number carried in CTD service request uses in CTD business in the called number white list information of user's setting, show that CTD business uses user to allow this called number to connect as called subscriber and calling subscriber, secondary CTD service server then calls out calling subscriber and called subscriber respectively, to set up the communication connection between calling subscriber and called subscriber; If secondary CTD service server 202 determines that the called number carried in CTD service request does not use in CTD business in the called number white list information of user's setting, this CTD service request directly will be refused.

In like manner, one-level CTD service server 201, also use rear subscriber number black list information and/or the called number black list information of user's setting for prestoring CTD business, and be synchronized to setting each secondary CTD service server in each zone;

Secondary CTD service server 202, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, confirm that the rear subscriber number carried in described CTD service request does not use in CTD business in the rear subscriber number black list information of user's setting, and/or, confirm that the called number carried in described CTD service request does not use in CTD business in the called number black list information of user's setting.

Concrete, when CTD business uses user to arrange calling subscriber's black list information and called subscriber's black list information simultaneously, if secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request uses in the rear subscriber number black list information of user's setting in CTD business, then secondary CTD service server directly will refuse this CTD service request.If secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request does not use in CTD business in the rear subscriber number black list information of user's setting, whether the called number judging to carry in CTD service request uses in the called number black list information of user's setting in CTD business by secondary CTD service server 202, if judged result is yes, secondary CTD service server will refuse this CTD service request; If judged result is no, secondary CTD service server sets up the communication connection between calling subscriber and called subscriber.

When CTD business uses user only to arrange calling subscriber's black list information, if secondary CTD service server 202 determines that the rear subscriber number carried in CTD service request uses in the rear subscriber number black list information of user's setting in CTD business, then secondary CTD service server directly will refuse this CTD service request.

When CTD business uses user only to arrange called subscriber's black list information, if secondary CTD service server 202 determines that the called number carried in CTD service request uses in the called number black list information of user's setting in CTD business, then secondary CTD service server directly will refuse this CTD service request.

In concrete enforcement, one-level CTD service server 201, time also for described CTD service request being transmitted to the secondary CTD service server 202 be arranged in the attributed region of rear subscriber number, carries the identification information of self;

Described secondary CTD service server 202, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, according to the identification information carried in the CTD service request that described one-level CTD service server 201 forwards, legitimacy certification is carried out to described one-level CTD service server 201, and confirms that certification is passed through.

Concrete, the identification information of one-level CTD service server comprises the IP address of one-level CTD service server self.

In concrete enforcement, secondary CTD service server 202, also for after this CTD service ending, adds up the business datum of this CTD business, and reports described one-level CTD service server 101;

Described one-level CTD service server 201, the business datum also for reporting according to described secondary CTD service server 202 carries out charging process to this CTD business.

As shown in Figure 10, the interface diagram between the one-level CTD service server 201 provided for the embodiment of the present invention and secondary CTD service server 202.Completed alternately by F1, F2 and F3 interface between one-level CTD service server 201 and secondary CTD service server 202.F interface adopts source IP address+object IP address to carry out certification, one-level CTD service server 201 supports the configuration to trusted (authentication authorization and accounting passes through) secondary CTD service server 202, and secondary CTD service server 202 supports the configuration to trusted one-level CTD service server 201.

Concrete, F1 interface is that CTD business performs interactive interface, and interface shape is REST (Representational State Transfer, declarative state transitions) style API (application programming interfaces).CTD service request is sent to one-level CTD service server 201, after completing authentication, CTD service request is routed to corresponding secondary CTD service server 202 (in the embodiment of the present invention by one-level CTD service server 201 according to the routing rule pre-set by CTD service request, the routing rule pre-set is: the secondary CTD service server 202 CTD service request being routed to the rear subscriber number attributed region carried in CTD service request), perform CTD operation flow by corresponding secondary CTD service server 202.

Concrete, F2 interface is the configuration information sync cap that CTD business uses user, and interface shape is SOAP WebService.CTD business uses the configuration information of user to be synchronized to secondary CTD service server 202 by one-level CTD service server 201, and by Primary land development person information, one-level business information and primary user information pass through F2 interface synchronization to secondary CTD service server 202.

Concrete, the business datum of this CTD business can be reported described one-level CTD service server 201 by F3 interface by secondary CTD service server 202, wherein, F3 interface is FTP interface, one-level CTD service server 201 provides ftp server, the business datum of the CTD business of statistics is uploaded to one-level CTD service server 201 by each secondary CTD service server 202, for the charging process etc. of CTD business.

The execution mode of embodiment for a better understanding of the present invention, is described below by way of the implementation process of specific embodiment to the embodiment of the present invention.

Embodiment one

The CTD business that embodiment uses user to order for CTD business is described for one-level CTD business.

As shown in figure 11, in the embodiment of the present invention, the CTD business that CTD business uses user to order is CTD method implementing procedure schematic diagram during one-level CTD business, comprises the steps:

S1101, CTD business uses user to initiate one-level CTD service request, carries the authentication information of CTD business use user, rear subscriber number and called number in described CTD service request;

Concrete, CTD business uses user by being embedded in the CTD application module of Web page or being arranged on the client software initiation CTD service request of PC, carries the authentication information of CTD business use user, rear subscriber number and called number in this request.

S1102, one-level CTD service server use the authentication information of user to use user to carry out authentication to CTD business according to CTD business;

Concrete, CTD business uses the authentication information of user to comprise username and password, and one-level CTD service server uses user to carry out authentication according to username and password to CTD business;

S1103, one-level CTD service server send CTD service request to the secondary CTD service server of correspondence, carry the identification information of self, the rear subscriber number of CTD business and called number in this CTD service request;

Concrete, after one-level CTD service server uses subscription authentication to pass through to CTD business, according to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region of rear subscriber number, and just CTD service request is transmitted to the secondary CTD service server that rear subscriber number attributed region is arranged, wherein, the identification information of one-level CTD service server self, the rear subscriber number of CTD business and called number is carried in CTD service request;

After S1104 ~ S1105, secondary CTD service server carry out associated verification, return response message to one-level CTD service server;

Concrete, the identification information of self that secondary CTD service server carries according to one-level CTD service server, this identification information can be the IP address of one-level CTD service server, the legitimacy of checking one-level CTD service server, and use the configuration information of user to check blacklist and white list according to the CTD business prestored; After being verified respectively, secondary CTD service server returns response message to one-level CTD service server.

S1106 ~ S1107, CTD business use user to open CTD service condition notice to one-level CTD service server, and one-level CTD service server uses user to return response message to CTD business;

Concrete, CTD business uses user while unlatching call state notice, and provide loopback address, this loopback address can be IP address, for receiving the call state notice that one-level CTD service server returns.

S1108 ~ S1109, one-level CTD service server forward to secondary CTD service server and open CTD service condition notice, and secondary CTD service server returns response message to one-level CTD service server;

S1110 ~ 1114, secondary CTD service server calling calling subscriber, and use user to return CTD service condition notice to CTD business;

Concrete, secondary CTD service server is by the mobile communications network calling calling subscriber of calling subscriber's attributed region; And the state notifying calling out calling subscriber is returned to one-level CTD service server, response message is returned to secondary CTD service server after one-level CTD service server receives state notifying, and the state notifying received is transmitted to CTD business use user, CTD business returns response message to one-level CTD service server after using user to receive the state notifying calling out calling subscriber.

S1115 ~ S1119, secondary CTD service server calling called subscriber, and use user to return CTD service condition notice to CTD business;

Concrete, after successful call calling subscriber (calling subscriber's off-hook), secondary CTD service server by the mobile communications network calling called subscriber of called subscriber's attributed region, and uses the configuration information of user to provide prompt tone by the mobile communications network of calling subscriber's attributed region to calling subscriber according to the initiation CTD business prestored; Secondary CTD service server returns the state notifying calling out called subscriber to one-level CTD service server simultaneously, response message is returned to secondary CTD service server after one-level CTD service server receives state notifying, and the state notifying received is transmitted to CTD business use user, CTD business returns response message to one-level CTD service server after using user to receive the state notifying calling out called subscriber.

S1120, secondary CTD service server set up the communication connection between calling subscriber and called subscriber;

S1121 ~ S1125, sign off between calling subscriber and called subscriber, discharge this communication connection; Secondary CTD service server sends call termination notification to one-level CTD service server, and one-level CTD service server returns response message to secondary CTD service server; And using user to send call termination notification to CTD business, CTD business uses user to return response message to one-level CTD service server.

Embodiment two

The CTD business that the embodiment of the present invention uses user to order for CTD business is described for secondary CTD business.

As shown in figure 12, in the embodiment of the present invention, CTD method implementing procedure schematic diagram when CTD business is secondary CTD business, comprises the steps:

S1201, CTD business uses user to send CTD service request to secondary CTD service server;

Concrete, CTD business uses user in the CTD service request sent, carry authentication information, rear subscriber number and called number that CTD business uses user.

S1202 ~ S1203, secondary CTD service server use the authentication information of user to use user to carry out authentication to this CTD business according to CTD business, and use the configuration information of user to carry out associated verification according to the CTD business prestored; Being verified backward CTD business uses user to return response message;

Concrete, CTD business uses the authentication information of user to comprise username and password, and secondary CTD service server uses user to carry out authentication according to username and password to CTD business; And use the configuration information of user to check caller/called number black list information and caller/called number white list information according to the CTD business prestored, after being verified, secondary CTD service server uses user to return response message to CTD business.

S1204 ~ S1205, CTD business use user to open CTD service condition notice to secondary CTD service server, and secondary CTD service server uses user to return response message to CTD business;

S1206 ~ S1208, secondary CTD service server calling calling subscriber, and use user to return CTD service condition notice to CTD business; CTD business uses user to receive call state and notifies that backward secondary CTD service server returns response message;

Concrete, secondary CTD service server is by the mobile communications network calling calling subscriber of calling subscriber's attributed region; And use user to return the state notifying calling out calling subscriber to CTD business; CTD business returns response message to secondary CTD service server after using user to receive the state notifying calling out calling subscriber.

S1209 ~ S1211, secondary CTD service server calling called subscriber, and use user to return CTD service condition notice to CTD business;

Concrete, concrete, after successful call calling subscriber (calling subscriber's off-hook), secondary CTD service server by the mobile communications network calling called subscriber of called subscriber's attributed region, and uses the configuration information of user to provide prompt tone by the mobile communications network of calling subscriber's attributed region to calling subscriber according to the CTD business prestored; Secondary CTD service server uses user to return the state notifying calling out called subscriber to CTD business simultaneously, and CTD business returns response message to secondary CTD service server after using user to receive the state notifying calling out called subscriber.

S1212, secondary CTD service server set up the communication connection of calling subscriber and called subscriber;

S1213 ~ S1215, sign off between calling subscriber and called subscriber, discharge this communication connection; Secondary CTD service server uses user to send call termination notification to CTD business, and CTD business uses user to return response message to secondary CTD service server.

Based on same technical conceive, a kind of implementation method of CTD business, a kind of one-level CTD service server and a kind of secondary CTD service server is additionally provided in the embodiment of the present invention, due to the method and one-level CTD service server and a kind of secondary CTD service server technical solution problem principle and CTD business to realize system similar, therefore the enforcement of the method and one-level CTD service server and a kind of secondary CTD service server see the enforcement of system, can repeat part and repeats no more.

As shown in figure 13, the implementing procedure schematic diagram of the implementation method of the CTD business provided for the embodiment of the present invention, comprises the steps:

S1301, one-level CTD service server receive CTD business and use Client-initiated CTD service request, carry rear subscriber number and called number in described CTD service request;

S1302, one-level CTD service server are according to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number;

S1303, described secondary CTD service server are according to the rear subscriber number carried in CTD service request and called number, and the CTD service communication set up between calling subscriber and called subscriber connects.

In concrete enforcement, in CTD service request, also carry the authentication information that CTD business uses user; And described one-level CTD service server is before being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number by described CTD service request, also comprise:

The authentication information using user according to the CTD business of carrying in described CTD service request and the authentication information ordering the validated user of CTD business prestored, use user to carry out legitimacy authentication to described CTD business, and confirm that authentication is passed through.

In concrete enforcement, one-level CTD service server prestores rear subscriber number white list information and/or the called number white list information that CTD business uses user's setting, and is synchronized to setting each secondary CTD service server in each zone; And

Described secondary CTD service server, before setting up the connection of the CTD service communication between calling subscriber and called subscriber, also comprises:

Confirm that the rear subscriber number carried in described CTD service request uses in CTD business in the rear subscriber number white list information of user's setting, and/or, confirm that the called number carried in described CTD service request uses in the called number white list information of user's setting in CTD business.

In concrete enforcement, described one-level CTD service server prestores rear subscriber number black list information and/or the called number black list information that CTD business uses user's setting, and is synchronized to setting each secondary CTD service server in each zone; And

Confirm that the rear subscriber number carried in described CTD service request does not use in CTD business in the rear subscriber number black list information of user's setting, and/or, confirm that the called number carried in described CTD service request does not use in CTD business in the called number black list information of user's setting.

In concrete enforcement, when described CTD service request is transmitted to the secondary CTD service server be arranged in the attributed region of rear subscriber number by described one-level CTD service server, carry the identification information of self;

Described secondary CTD service server is before setting up the connection of the CTD service communication between calling subscriber and called subscriber, according to the identification information carried in the CTD service request that described one-level CTD service server forwards, legitimacy certification is carried out to described one-level CTD service server, and confirms that certification is passed through.

In concrete enforcement, described secondary CTD service server, after this CTD service ending, is added up the business datum of this CTD business, and is reported one-level CTD service server;

The business datum that described one-level CTD service server reports according to described secondary CTD service server carries out charging process to this CTD business.

As shown in figure 14, be a kind of possible structural representation of one-level CTD service server that the embodiment of the present invention provides, comprise:

Memory module 1401, for prestoring the corresponding relation of Subscriber Number and attributed region;

Receiver module 1402, uses Client-initiated to carry the CTD service request of rear subscriber number and called number for receiving CTD business;

Determination module 1403, for for the corresponding relation according to the Subscriber Number stored in described memory module and attributed region, determines the attributed region that described rear subscriber number is corresponding;

Routing module 1404, for being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number by described CTD service request.

In concrete enforcement, one-level CTD service server, can also comprise authentication module 1405, wherein:

The CTD business that described receiver module 1402 receives uses in Client-initiated CTD service request can also carry the authentication information that CTD business uses user;

Memory module 1401, also for prestoring the authentication information of the validated user ordering CTD business;

Authentication module 1405, for the authentication information that uses user according to the CTD business of carrying in described CTD service request and the authentication information ordering the validated user of CTD business prestored, user is used to carry out legitimacy authentication to described CTD business, and after confirming that authentication is passed through, trigger routing module 1404.

In concrete enforcement, one-level CTD service server, can also comprise the first synchronization module 1406, wherein:

Memory module 1401, also uses rear subscriber number white list information and/or the called number white list information of user's setting for prestoring CTD business;

First synchronization module 1406, is synchronized to setting each secondary CTD service server in each zone for the CTD business stored in memory module 1401 being used the rear subscriber number white list information of user's setting and/or called number white list information.

In concrete enforcement, one-level CTD service server, can also comprise the second synchronization module 1407, wherein:

Memory module 1401 can also be used for prestoring rear subscriber number black list information and/or the called number black list information that CTD business uses user's setting;

Second synchronization module 1407 can also be used for the CTD business of described storage being used the rear subscriber number black list information of user's setting and/or called number black list information to be synchronized to setting each secondary CTD service server in each zone.

In concrete enforcement, routing module 1404 can also be used for, when described CTD service request being transmitted to the secondary CTD service server be arranged in the attributed region of rear subscriber number, carrying the identification information of one-level CTD service server.

In concrete enforcement, one-level CTD service server, can also comprise processing module 1408, wherein:

Receiver module 1402, also for after this CTD service ending, receives the business datum of this CTD business that secondary CTD service server reports;

Processing module 1408, for receive according to described receiver module 1402 business datum charging process is carried out to this CTD business.

As shown in figure 15, in the embodiment of the present invention, a kind of possible structural representation of secondary CTD service server, comprising:

Receiver module 1501, for receive one-level CTD service server forward carry rear subscriber number and called number CTD service request;

Executive Module 1502, for according to the rear subscriber number carried in CTD service request and called number, sets up the CTD service communication connection between calling subscriber and called subscriber.

In concrete enforcement, secondary CTD service server, can also comprise:

First memory module 1503, uses rear subscriber number white list information and/or the called number white list information of user's setting for storing the synchronous CTD business of one-level CTD service server;

First confirms module 1504, before connecting for the CTD service communication set up at Executive Module 1502 between calling subscriber and called subscriber, confirm that the rear subscriber number carried in described CTD service request uses in the rear subscriber number white list information of user's setting in the CTD business that the first memory module 1503 stores, and/or, confirm that the CTD business that the called number carried in described CTD service request stores in the first memory module 1503 uses in the called number white list information of user's setting.

In concrete enforcement, secondary CTD service server, can also comprise:

Second memory module 1505, can also be used for storing rear subscriber number black list information and/or the called number black list information that the synchronous CTD business of one-level CTD service server uses user's setting;

Second confirms module 1506, can also be used for before the Executive Module 1502 CTD service communication set up between calling subscriber and called subscriber connects, confirm in the rear subscriber number black list information that the CTD business that the rear subscriber number carried in described CTD service request does not store in the second memory module 1505 uses user to arrange, and/or, confirm in the called number black list information that the CTD business that the called number carried in described CTD service request does not store in the second memory module 1505 uses user to arrange.

In concrete enforcement, secondary CTD service server, can also comprise authentication module 1507, wherein:

Receiver module 1501, also for receiving the identification information carried in the CTD service request of one-level CTD service server forwarding;

Authentication module 1507, for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, according to the identification information of the described one-level CTD service server that receiver module 1501 receives, legitimacy certification is carried out to described one-level CTD service server, and confirms that certification is passed through.

In concrete enforcement, secondary CTD service server, can also comprise:

Statistical module 1508, for after this CTD service ending, adds up the business datum of this CTD business, and reports one-level CTD service server;

Described one-level CTD service server, carries out charging process for the business datum reported according to described statistical module 1508 to this CTD business.

Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.

Claims

1. click to dial CTD business realize a system, it is characterized in that, comprise one-level CTD service server and be separately positioned on each secondary CTD service server in each region, wherein:

Described one-level CTD service server, Client-initiated is used to carry the CTD service request of rear subscriber number and called number for receiving CTD business, according to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, carry the identification information of self in the CTD service request of forwarding;

Described secondary CTD service server, for receiving the CTD service request that described one-level CTD service server forwards, according to the identification information carried in the CTD service request that described one-level CTD service server forwards, legitimacy certification is carried out to described one-level CTD service server, and after confirming that certification is passed through, according to the rear subscriber number carried in CTD service request and called number, the CTD service communication set up between calling subscriber and called subscriber connects.

2. the system as claimed in claim 1, is characterized in that, described CTD business uses in Client-initiated CTD service request and also carries the authentication information that CTD business uses user;

Described one-level CTD service server, also for before described CTD service request being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, the authentication information using user according to the CTD business of carrying in described CTD service request and the authentication information ordering the validated user of CTD business prestored, use user to carry out legitimacy authentication to described CTD business, and confirm that authentication is passed through.

3. the system as claimed in claim 1, is characterized in that,

Described one-level CTD service server, also uses rear subscriber number white list information and/or the called number white list information of user's setting, and is synchronized to setting each secondary CTD service server in each zone for prestoring CTD business;

Described secondary CTD service server, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, confirm that the rear subscriber number carried in described CTD service request uses in CTD business in the rear subscriber number white list information of user's setting, and/or, confirm that the called number carried in described CTD service request uses in the called number white list information of user's setting in CTD business.

4. the system as claimed in claim 1, is characterized in that,

Described one-level CTD service server, also uses rear subscriber number black list information and/or the called number black list information of user's setting, and is synchronized to setting each secondary CTD service server in each zone for prestoring CTD business;

Described secondary CTD service server, also for before setting up the connection of the CTD service communication between calling subscriber and called subscriber, confirm that the rear subscriber number carried in described CTD service request does not use in CTD business in the rear subscriber number black list information of user's setting, and/or, confirm that the called number carried in described CTD service request does not use in CTD business in the called number black list information of user's setting.

5. the system as described in as arbitrary in Claims 1-4, is characterized in that,

Described secondary CTD service server, also for after this CTD service ending, adds up the business datum of this CTD business, and reports described one-level CTD service server;

Described one-level CTD service server, the business datum also for reporting according to described secondary CTD service server carries out charging process to this CTD business.

6. an implementation method for click to dial CTD business, is characterized in that, comprising:

According to the corresponding relation of the Subscriber Number prestored and attributed region, determine the attributed region that described rear subscriber number is corresponding, and described CTD service request is transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, carry the identification information of self in the CTD service request of forwarding;

The identification information carried in the CTD service request that described secondary CTD service server forwards according to described one-level CTD service server, legitimacy certification is carried out to described one-level CTD service server, and after confirming that certification is passed through, according to the rear subscriber number carried in CTD service request and called number, the CTD service communication set up between calling subscriber and called subscriber connects.

7. method as claimed in claim 6, is characterized in that, also carries the authentication information that CTD business uses user in described CTD service request; And

Described one-level CTD service server, before described CTD service request being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, also comprises:

8. method as claimed in claim 6, it is characterized in that, described one-level CTD service server prestores rear subscriber number white list information and/or the called number white list information that CTD business uses user's setting, and is synchronized to setting each secondary CTD service server in each zone; And

9. method as claimed in claim 6, it is characterized in that, described one-level CTD service server prestores rear subscriber number black list information and/or the called number black list information that CTD business uses user's setting, and is synchronized to setting each secondary CTD service server in each zone; And

10. the method as described in as arbitrary in claim 6 to 9, is characterized in that, also comprise:

Described secondary CTD service server, after this CTD service ending, is added up the business datum of this CTD business, and is reported one-level CTD service server;

11. 1 kinds of one-level click to dial CTD service servers, is characterized in that, comprising:

Routing module, for described CTD service request being transmitted to the secondary CTD service server be arranged in attributed region corresponding to rear subscriber number, carries the identification information of one-level CTD service server in the CTD service request of forwarding.

12. one-level CTD service servers as claimed in claim 11, is characterized in that, also comprise authentication module, wherein:

The CTD business that described receiver module receives uses in Client-initiated CTD service request and also carries the authentication information that CTD business uses user;

Described memory module, also for prestoring the authentication information of the validated user ordering CTD business;

Described authentication module, for the authentication information that uses user according to the CTD business of carrying in described CTD service request and the authentication information ordering the validated user of CTD business prestored, user is used to carry out legitimacy authentication to described CTD business, and after confirming that authentication is passed through, trigger described routing module.

13. one-level CTD service servers as claimed in claim 11, is characterized in that, also comprise the first synchronization module, wherein:

Described memory module, also uses rear subscriber number white list information and/or the called number white list information of user's setting for prestoring CTD business;

Described first synchronization module, is synchronized to setting each secondary CTD service server in each zone for the CTD stored in described memory module business being used the rear subscriber number white list information of user's setting and/or called number white list information.

14. one-level CTD service servers as claimed in claim 11, is characterized in that, also comprise the second synchronization module, wherein:

Described memory module, also uses rear subscriber number black list information and/or the called number black list information of user's setting for prestoring CTD business;

Described second synchronization module, also for the CTD stored in described memory module business being used the rear subscriber number black list information of user's setting and/or called number black list information to be synchronized to setting each secondary CTD service server in each zone.

15. as arbitrary in claim 11 ~ 14 as described in one-level CTD service server, it is characterized in that, also comprise processing module, wherein:

Described receiver module, also for after this CTD service ending, receives the business datum of this CTD business that secondary CTD service server reports;

Described processing module, carries out charging process for the business datum received according to described receiver module to this CTD business.